CN105113854B

CN105113854B - A kind of safe antitheft Internal handle

Info

Publication number: CN105113854B
Application number: CN201510599923.8A
Authority: CN
Inventors: 陈万兴
Original assignee: Chongqing Yuxing Jinsheng Industry (group) Co Ltd
Current assignee: Chongqing Yuxing Jinsheng Industry (group) Co Ltd
Priority date: 2015-09-21
Filing date: 2015-09-21
Publication date: 2017-11-17
Anticipated expiration: 2035-09-21
Also published as: CN105113854A

Abstract

The present invention disclose a kind of safe antitheft Internal handle, including panel, installation Internal handle on the panel, the lock body driving member that is rotated with the Internal handle and the torsion spring for realizing the Internal handle reset, it is characterised in that：The Internal handle is provided with button, the button is connected with strut, stretched into after the strut suit back-moving spring in the lock body driving member, an antitheft limiting plate moved with the strut is arranged with outside the lock body driving member, limited post is provided with the panel, and when not touching the button, the back-moving spring is in first state, the antitheft limiting plate is connected on the limited post, prevents the Internal handle from pushing；When pressing button, the back-moving spring is in the second state, and antitheft limiting plate exits the limit space of the limited post, and the Internal handle can drive the lock body driving member to rotate.Beneficial effect：Simple in construction, on the basis of existing door latch structure, repacking is convenient, improves the theftproof performance of door lock.

Description

A kind of safe antitheft Internal handle

Technical field

The present invention relates to door handle structure, is a kind of safe antitheft Internal handle specifically.

Background technology

Gone on a journey in order to facilitate indoor occupant, existing door latch structure is typically to connect Internal handle and dead bolt, not In the case of locking, realize that door is opened by pressing Internal handle.Although such structure operation is more convenient, exist Larger potential safety hazard.Criminal usually stretches into special tool(s) from crack between a door and its frame or opal, by pulling or pressing inner handle Mode realizes illegal enabling.

The content of the invention

In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of safe antitheft Internal handle, by using we The design of case, it can effectively prevent criminal from realizing that the phenomenon illegally opened the door occurs using special tool(s) braking Internal handle, carry High door lock security performance.

Specific technical scheme is as follows：

A kind of safe antitheft Internal handle, including panel, installation Internal handle on the panel, turn with the Internal handle Dynamic lock body driving member and the torsion spring resetted for realizing the Internal handle, its key are：The Internal handle is provided with and pressed Button, the button are connected with strut, stretch into the lock body driving member after the strut suit back-moving spring, are driven in the lock body An antitheft limiting plate moved with the strut is arranged with outside part, is provided with limited post on the panel, when not touching the button, institute State back-moving spring and be in first state, the antitheft limiting plate is connected on the limited post, prevents the Internal handle from pushing；Press During lower button, the back-moving spring is in the second state, and antitheft limiting plate exits the limit space of the limited post, described interior Hand can drive the lock body driving member to rotate.

Based on above-mentioned design, this programme adds press-button structure and position limiting structure for traditional door handle, needs Will from indoor openings when, it is necessary to press button, allow antitheft limiting plate to exit the limit space of limited post, Internal handle could be rotated, Effectively prevent criminal from drawing or pressing Internal handle using other instrument hooks and realizing illegal open the door.

As further describing, the lock body driving member is square tube type, and regulation mouth is offered on its tube wall, in the support Pin-and-hole is offered on bar and the antitheft limiting plate, the two is connected by the latch in regulation mouth.Above-mentioned design, It is easy to each parts individually to process, during assembling, strut can be directly protruding into lock body driving member, and antitheft limiting plate is socketed in Outside lock body driving member, it is moved at the regulation mouth of lock body driving member, the two can be bolted together by latch, strut When being moved in lock body driving member, you can drive antitheft limiting plate to be moved outside lock body driving member.

For the ease of the installation of back-moving spring, spring shim is socketed with the strut, the spring shim is folded in multiple Between position spring and the end wall of lock body driving member.

Due to the variable thickness sample of different door body, the length that its lock body driving member needs stretch out is also different, in order to just In regulation, lock-screw is provided with the Internal handle, the end of the lock-screw and the outer wall of the lock body driving member support Connect.So design, position of the lock body driving member on panel can be adjusted, and fixation is being abutted by lock-screw after regulating.

Needed with reference to door lock, be also fixedly connected with corner locating plate outside the lock body driving member, the corner locating plate position Between panel and antitheft limiting plate, and two spacing projective structures are provided with, when Internal handle is pivotally lowered into default maximum turn During angle, a spacing projective structure abuts with the limited post, another when Internal handle is rotated upwardly into default hard-over Individual spacing projective structure abuts with the limited post, so designs, and use is more convenient, also ensure that the twisting angle of torsion spring, Prevent from excessively twisting door handle and causing lock core to damage.

The present invention remarkable result be：Simple in construction, on the basis of existing door latch structure, repacking is convenient, improves door lock Theftproof performance.

Brief description of the drawings

Fig. 1 is the mounting structure schematic diagram of the present invention；

Fig. 2 is the structure diagram of the present invention；

Fig. 3 is the installation graph of antitheft limiting plate, corner locating plate and limited post.

Embodiment

The embodiment and operation principle of the present invention are described in further detail below in conjunction with the accompanying drawings.

A kind of safe antitheft Internal handle as shown in Figure 1-Figure 3, including panel 1, the Internal handle on the panel 1 2nd, the lock body driving member 3 rotated with the Internal handle 2 and the torsion spring 4 resetted for realizing the Internal handle 2, it is described interior Handle 2 is provided with button 5, and the button 5 is connected with strut 6, and the strut 6 stretches into the lock body transmission after being set with back-moving spring 7 In part 3, an antitheft limiting plate 8 moved with the strut 6 is arranged with outside the lock body driving member 3, is set on the panel 1 Be equipped with limited post 9, do not touch the button 5 when, the back-moving spring 7 is in first state, and the antitheft limiting plate 8 is connected to the limit On the post 9 of position, the Internal handle 2 is prevented to push；When pressing button 5, the back-moving spring 7 is in the second state, antitheft limiting plate 8 The limit space of the limited post 9 is exited, the Internal handle 2 can drive the lock body driving member 3 to rotate.

In order to limit the rotational angle of Internal handle 2, corner locating plate is also fixedly connected with outside the lock body driving member 3 13, the corner locating plate 13 is provided with two spacing projective structures between panel 1 and antitheft limiting plate 8, when Internal handle 2 When being pivotally lowered into default hard-over, a spacing projective structure abuts with the limited post 9, when Internal handle 2 turns upwards When moving default hard-over, another spacing projective structure abuts with the limited post 9.

As seen in Figure 2, in the present embodiment, the lock body driving member 3 is square tube type, is offered on its tube wall Mouth is adjusted, pin-and-hole is offered on the strut 6 and the antitheft limiting plate 8, the two passes through the latch in regulation mouth 10 are connected.

It can also be seen that by Fig. 1 and Fig. 2 and be socketed with spring shim 11 on the strut 6, the sandwiched of spring shim 11 Between the end wall of back-moving spring 7 and lock body driving member 3.

Lock-screw 12 is provided with the Internal handle 2, the end of the lock-screw 12 and the lock body driving member 3 Outer wall abuts.

The present invention operation principle be：

Back-moving spring 7 is being folded between button 5 and spring shim 11, it is possible to achieve button 5 presses reset, press by During button 5, strut 6 can drive antitheft limiting plate 8 to move, as seen in Figure 2, after antitheft limiting plate 8 moves a certain distance The limit space of limited post 9 can be exited, therefore, when pressing button 5, Internal handle 2 could rotate, so as to drive lock body driving member 3 realize unlocking, when not pressing button 5, from figure 3, it can be seen that because antitheft limiting plate 8 abuts with limited post 9, no normal direction Under press Internal handle 2, it is impossible to realize illegal open the door.In the rotation process of Internal handle 2, because the presence of corner locating plate 13, As seen in Figure 3, what two spacing projective structures on corner locating plate 13 can limit Internal handle 2 rotates upwardly and downwardly model Enclose, so as to ensure the twisting amplitude of torsion spring 4, prevent lock core from damaging, because corner locating plate 13 is located at panel 1 and antitheft limiting plate Between 8, depth is pressed by regulation button 5, it is ensured that corner locating plate 13 is still located on the spacing of limited post 9 when pressing In space, so as to ensure the reliability service of whole device.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims

1. a kind of safe antitheft Internal handle, including panel (1), the Internal handle (2) on the panel (1), with described The lock body driving member (3) that Internal handle (2) rotates and the torsion spring (4) for realizing the Internal handle (2) reset, its feature exist In：The Internal handle (2) is provided with button (5), and the button (5) is connected with strut (6), and the strut (6) is set with back-moving spring (7) stretched into after in the lock body driving member (3), one is arranged with outside the lock body driving member (3) with the strut (6) movement Antitheft limiting plate (8), is provided with limited post (9) on the panel (1), do not touch the button (5) when, back-moving spring (7) place In first state, the antitheft limiting plate (8) is connected on the limited post (9), prevents the Internal handle (2) from pushing；Press During button (5), the back-moving spring (7) is in the second state, and antitheft limiting plate (8) exits the spacing sky of the limited post (9) Between, the Internal handle (2) can drive the lock body driving member (3) to rotate.

A kind of 2. safe antitheft Internal handle according to claim 1, it is characterised in that：The lock body driving member (3) is side Tubulose, regulation mouth is offered on its tube wall, offer pin-and-hole on the strut (6) and the antitheft limiting plate (8), two Person is connected by the latch (10) in regulation mouth.

A kind of 3. safe antitheft Internal handle according to claim 1, it is characterised in that：It is socketed with the strut (6) Spring shim (11), the spring shim (11) are folded between the end wall of back-moving spring (7) and lock body driving member (3).

A kind of 4. safe antitheft Internal handle according to claim 1, it is characterised in that：Set on the Internal handle (2) There is lock-screw (12), the end of the lock-screw (12) abuts with the outer wall of the lock body driving member (3).

5. according to a kind of any described safe antitheft Internal handles of claim 1-4, it is characterised in that：In the lock body driving member (3) be also fixedly connected with corner locating plate (13) outside, the corner locating plate (1 3) be located at panel (1) and antitheft limiting plate (8) it Between, and two spacing projective structures are provided with, and when Internal handle (2) is pivotally lowered into default hard-over, a spacing protrusion Structure abuts with the limited post (9), when Internal handle (2) is rotated upwardly into default hard-over, another spacing protrusion Structure abuts with the limited post (9).